A Ka-Band Second Harmonic Gyroklystron Amplifier

The design and experiment of a ka-band second harmonic gyroklytron amplifier are reported. The three-cavity 35-GHz second harmonic gyroklystron operates in the TE 021 circular electric mode. Based on the numerical simulation, a three-cavity, second harmonic gyroklystron amplifier prototype has been...

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Published inIEEE transactions on plasma science Vol. 40; no. 8; pp. 2099 - 2104
Main Authors Xu, Shou-Xi, Liu, Pu-Kun, Zhang, Shichang, Su, Yinong, Geng, Zhi-Hui, Gu, Wei, Xue, Qianzhong, Han, Bing
Format Journal Article
LanguageEnglish
Published New York IEEE 01.08.2012
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Amplifiers
Bandwidth
Cathodes
Cavity resonators
Computer simulation
Electric power
Electric power generation
Electron beams
Frequencies
Gain
Gyroklystron amplifier
Harmonic analysis
Harmonics
ka-band
Klystrons
Mathematical models
Plasma physics
Power amplifiers
Power generation
Prototypes
Receivers & amplifiers
second harmonic
Simulation
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Summary:The design and experiment of a ka-band second harmonic gyroklytron amplifier are reported. The three-cavity 35-GHz second harmonic gyroklystron operates in the TE 021 circular electric mode. Based on the numerical simulation, a three-cavity, second harmonic gyroklystron amplifier prototype has been fabricated. Experiments show a peak output power of 212 kW at 35 GHz with a 3-dB bandwidth of 155 MHz (0.44%) when utilizing a 58 kV, 23 A, v ⊥ / v P = 1.45 electron beam from a magnetron injection gun. The efficiency is approximately 16%, and the gain is about 24 dB.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0093-3813
1939-9375
DOI:10.1109/TPS.2012.2199522